[gnome-control-center] printers: Avoid warning about unparented ppd selection dialog

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 22cb7ccedb244144ba0d709c5551559976fb7a5c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Sep 27 23:58:09 2015 -0500

    printers: Avoid warning about unparented ppd selection dialog
    
    Just need to call gtk_window_set_transient_for() a bit earlier.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755713

 panels/printers/pp-ppd-selection-dialog.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/panels/printers/pp-ppd-selection-dialog.c b/panels/printers/pp-ppd-selection-dialog.c
index 8c2b1ca..bfa92f4 100644
--- a/panels/printers/pp-ppd-selection-dialog.c
+++ b/panels/printers/pp-ppd-selection-dialog.c
@@ -366,13 +366,14 @@ pp_ppd_selection_dialog_new (GtkWindow            *parent,
   g_signal_connect (dialog->dialog, "delete-event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
   g_signal_connect (dialog->dialog, "response", G_CALLBACK (ppd_selection_dialog_response_cb), dialog);
 
+  gtk_window_set_transient_for (GTK_WINDOW (dialog->dialog), GTK_WINDOW (parent));
+
   widget = (GtkWidget*)
     gtk_builder_get_object (dialog->builder, "ppd-spinner");
   gtk_spinner_start (GTK_SPINNER (widget));
 
   populate_dialog (dialog);
 
-  gtk_window_set_transient_for (GTK_WINDOW (dialog->dialog), GTK_WINDOW (parent));
   gtk_window_present (GTK_WINDOW (dialog->dialog));
   gtk_widget_show_all (GTK_WIDGET (dialog->dialog));